Porto is the second-largest city in Portugal and one of the Iberian Peninsula's major urban areas. Situated along the Douro River estuary in northern Portugal, Porto is known for its stately bridges, the historic Ribeira district with its narrow cobbled streets and picturesque houses, and its famous port wine production. The city's architecture is a mix of baroque churches, beaux-arts buildings, and modern constructions, reflecting its rich history and contemporary growth. Porto's cultural scene is vibrant, with numerous museums, theaters, and galleries, including the renowned Serralves Museum of Contemporary Art. The city is also a hub for higher education, with several prestigious universities and research institutions. Porto's historic center is a UNESCO World Heritage Site, attracting tourists with its beautiful São Francisco Church and the Palácio da Bolsa. The city's gastronomy is diverse, featuring traditional Portuguese dishes and seafood, as well as international cuisine. Porto's social life is dynamic, with lively bars, cafes, and nightclubs, especially in the downtown area and along the riverfront. Despite its urban character, Porto offers green spaces such as the Crystal Palace Gardens, providing residents and visitors with a place to relax and enjoy nature within the city.